explain The K30 dust ring/seal can be recessed into the groove using a spring ring. Through the spring ring, the seal will be squeezed in and secured. The very important installation tool must be made of soft material and have no sharp angles. Before installation, this seal must be marked with pressure oil for the system. Product advantages Excellent dust-proof effect Excellent sealing effect ● Able to work under harsh conditions Under the action of the metal ring, it has good adaptability to temperature changes. technical parameter Work pressure: ≤ 16Bar Working temperature: -30 ℃~+105 ℃ Reciprocal speed: ≤ 1.0m/s Installation The K30 dust ring/seal can be recessed into the groove using a spring ring. Through the spring ring, the seal will be squeezed in and secured. The very important installation tool must be made of soft material and have no sharp angles. Before installation, this seal must be marked with pressure oil for the system. Material Science High performance nitrile rubber (NBR) with a Shore hardness of approximately 80 degrees; High performance fluororubber (FKM) with a Shore hardness of approximately 85 degrees.